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參數(shù)資料
| 型號： | MIC284-3BM TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 904K |
| 描述： | IC SUPERVISOR THERM 2ZONE 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | SilentSense™ |
| 功能： | 溫度監(jiān)控系統(tǒng)（傳感器） |
| 傳感器類型： | 內(nèi)部和外部 |
| 感應(yīng)溫度： | -55°C ~ 125°C，外部傳感器 |
| 精確度： | ±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） |
| 拓?fù)洌?/td> | ADC（三角積分型），比較器，寄存器庫 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 是 |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MIC284-3BMTR MIC284-3BMTR-ND |
September 2005
1
MIC284
MIC284
Micrel, Inc.
MIC284
Two-Zone Thermal Supervisor
Typical Application
CLK
FROM
SERIAL BUS
HOST
OVER-TEMP
SHUTDOWN
REMOTE
DIODE
2200pF
0.1F
MIC284
/INT
/CRIT
3.3V
DATA
4 ?10k
pull-ups
VDD
T1
A0
GND
2-Channel SMBus Temperature Measurement System
SilentSense"
Features
" Optimized for CPU Thermal Supervision in Computing
Applications
" Measures Local and Remote Temperature
" Sigma-Delta ADC for 8-Bit Temperature Results
" 2-Wire SMBus-compatible Interface
" Programmable Thermostat Settings for both Internal and
External Zones
" Open-Drain Interrupt Output Pin
" Open-Drain Over Temperature Output Pin for Fan Con-
trol or Hardware Shutdown
" Interrupt Mask and Status Bits
" Low Power Shutdown Mode
" Failsafe response to diode faults
" 2.7V to 5.5V Power Supply Range
" 8-Lead SOIC and MSOP Packages
Applications
" Desktop, Server and Notebook Computers
" Power Supplies
" Test and Measurement Equipment
" Wireless Systems
" Networking/Datacom Hardware
Micrel, Inc. " 2180 Fortune Drive " San Jose, CA 95131 " USA " tel + 1 (408) 944-0800 " fax + 1 (408) 474-1000 " http://www.micrel.com
General Description
The MIC284 is a versatile digital thermal supervisor capable of
measuring temperature using its own internal sensor and an
inexpensive external sensor or embedded silicon diode such
as those found in the Intel Pentium III" CPU. A 2-wire serial
interface is provided to allow communication with either I
2
C"
or SMBus" masters. Features include an open-drain over-
temperature output with dedicated registers for implementing
fan control or over-temperature shutdown circuits.
Interrupt status and mask bits are provided for reduced soft-
ware overhead. The open-drain interrupt output pin can be
used as either an overtemperature alarm or a thermostatic
control signal. A programmable address pin permits two
devices to share the bus. (Alternate base addresses avail-
able-contact Micrel.) Superior performance, low power and
small size makes the MIC284 an excellent choice for the most
demanding thermal management applications. The MIC284
is part of the SilentSense" family of thermal supervisors.
Data sheets and support documentation can be found on
Micrels web site at www.micrel.com.
SMBus and Pentium III are trademarks of Intel Corporation.
I
2
C is a trademark of Philips Electronics, N.V.
SilentSense is a trademark of Micrel, Inc.
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| MIC284-3YM | 功能描述:板上安裝溫度傳感器 2-zone thermal supervisor w/over-temp output; SOIC-08 - Lead Free RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MIC284-3YM TR | 功能描述:板上安裝溫度傳感器 2-zone thermal supervisor w/over-temp output; SOIC-08 - Lead Free RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MIC284-3YMM | 功能描述:板上安裝溫度傳感器 2-zone thermal supervisor w/over-temp output; MSOP-08 - Lead Free RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MIC284-3YMM TR | 功能描述:板上安裝溫度傳感器 2-zone thermal supervisor w/over-temp output; MSOP-08 - Lead Free RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MIC2843YMT TR | 功能描述:LED照明驅(qū)動器 Six Channel Current Sink in 2x2 Thin MLF RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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